Cownie John Quantitative impact of the seedfertilizer revolution in West Pakistan - Stanford Stanford University 1970 - 95p. Bib p.82-84,Appendix p. 85-94 cm. - Studies intropical devleopment. Stnaford University food research institute publicaiton . Source: General Book Subjects--Topical Terms: Soil Industry Dewey Class. No.: X9(J:24).44Q73.N7, L0Q7